The P versus NP problem is one of the most important problems in computer science.

孔子说：“生来就知道的，是上等人；学习后才知道的，是二等人；遇到困难才学习的，是三等人；遇到困难也不学习的，这就是下等人了。”

I believe that the power of storytelling can change the world.

Diversity in thought leads to innovation in action.

The key to success lies in persistence and hard work.

The universe is not only queerer than we suppose, but queerer than we can suppose.

【译文】 子张问仁，孔子说：“能在天下推行五种品德，就是仁了。“哪五种？”说：“庄重、宽厚、诚实、勤敏、慈惠，庄重就不会受侮辱，宽厚就会得到拥护，诚实就会受到重用，勤敏就会获得成功，慈惠就会有本钱使用人。”

The only person you should try to be better than is the person you were yesterday.